Cheirurus Beyrich 1845 (trilobite)

Trilobita - Phacopida - Cheiruridae

Parent taxon: Cheiruridae according to E. Warburg 1925

See also Jell and Adrain 2002, Raymond 1916 and Sepkoski 2002

Sister taxa: Acanthoparyphinae, Anasobella, Ancyginaspis, Arcticeraurinella, Areia, Areiaspis, Borealaspis, Bornholmaspis, Ceraurinium, Ceraurinus, Cerauroides, Cerauromeros, Cerauropeltis, Ceraurus, Chacomurus, Cheirurinae, Chiozoon, Contracheirurus, Courtessolium, Crotalocephalides, Crotalocephalina, Crotalocephalus, Cyrtometopinae, Cyrtometopus, Deiphon, Deiphoninae, Didrepanon, Eccoptochilinae, Forteyops, Foulonia, Gabriceraurus, Hammannopyge, Hapsiceraurus, Heliomera, Heliomeroides, Hemisphaerocoryphe, Holia, Hyrokybe, Ichiyamella, Junggarella, Kawina, Kolymella, Krattaspis, Ktenoura, Laneites, Lehua, Onycopyge, Osekaspis, Parayoungia, Parisoceraurus, Pateraspis, Patomaspis, Placoparina, Pompeckia, Proromma, Protocerauroides, Pseudocheirurus, Radiurus, Ratinkaspis, Reraspis, Sphaerexochinae, Sphaexerochinae, Stubblefieldia, Sycophantia, Turantyx, Valongia, Whittakerites, Xylabion, Xystocrania, Youngia, Zazvorkaspis

Subtaxa: Cheirurus (Actinopeltis) Cheirurus (Crotalocephalina) Cheirurus (Pseudosphaerexochus) Cheirurus clasoni Cheirurus clasonii Cheirurus dilatatus Cheirurus glaber Cheirurus juvenis Cheirurus niagarensis Cheirurus nuperus Cheirurus patens Cheirurus punctatus Cheirurus tarquininus Cheirurus tornquisti Cheirurus welleri

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Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Daleje of the Czech Republic (1 collection)

• Devonian of Algeria (2), Australia (2), Austria (1), the Czech Republic (20), Germany (1), Italy (8), Kazakhstan (1), Morocco (22), United States (3: Alaska)

• Silurian of Algeria (1), Australia (7), Austria (1), Canada (5: Northwest Territories, Ontario, Yukon Territory), the Czech Republic (19), Greenland (1), India (1), Morocco (6), Sweden (1), Ukraine (3), the United Kingdom (4), United States (32: Arkansas, Illinois, Indiana, Iowa, New York, Oklahoma, Tennessee, Wisconsin)

• Ordovician of Canada (3: Quebec), China (4), the Czech Republic (13), Kazakhstan (2), Morocco (5), Portugal (2), Spain (5), Sweden (10), the United Kingdom (1)

• Arenig of China (1)

Total: 188 collections including 198 occurrences

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Specimen images are retrieved through the ePANDDA API.


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